[tests] Make NSStreamTest.ConnectToPeer time out cleanly.

[rolfbjarne]

As opposed to hanging the entire test suite (and then getting aborted) if something goes wrong.

[Copilot]

Pull request overview

This PR updates the NSStreamTest.ConnectToPeer monotouch test to fail with a bounded timeout instead of potentially hanging the entire test run, improving reliability of the test suite when networking/stream setup goes wrong.

Changes:

• Run the ConnectToPeer logic on a background thread and enforce a 10s overall timeout.
• Add a bounded join (5s) for the listener thread and propagate any exceptions back to the main test thread.

[vs-mobiletools-engineering-service2]

✅ [CI Build #9ff2da9] Build passed (Build packages) ✅

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Hash: 9ff2da9acb7d2f9cb2b4ca7dfdf9b7f0845cb229 [PR build]

[vs-mobiletools-engineering-service2]

✅ [PR Build #9ff2da9] Build passed (Detect API changes) ✅

Pipeline on Agent
Hash: 9ff2da9acb7d2f9cb2b4ca7dfdf9b7f0845cb229 [PR build]

[vs-mobiletools-engineering-service2]

✅ API diff for current PR / commit

NET (empty diffs)

• iOS: vsdrops gist ( No breaking changes )
• tvOS: vsdrops gist ( No breaking changes )
• MacCatalyst: vsdrops gist ( No breaking changes )
• macOS: vsdrops gist ( No breaking changes )

✅ API diff vs stable

NET (empty diffs)

• iOS: vsdrops gist ( No breaking changes )
• tvOS: vsdrops gist ( No breaking changes )
• MacCatalyst: vsdrops gist ( No breaking changes )
• macOS: vsdrops gist ( No breaking changes )

ℹ️ Generator diff

Generator Diff: vsdrops (html) vsdrops (raw diff) gist (raw diff) - Please review changes)

Pipeline on Agent
Hash: 9ff2da9acb7d2f9cb2b4ca7dfdf9b7f0845cb229 [PR build]

[vs-mobiletools-engineering-service2]

✅ [CI Build #9ff2da9] Build passed (Build macOS tests) ✅

Pipeline on Agent
Hash: 9ff2da9acb7d2f9cb2b4ca7dfdf9b7f0845cb229 [PR build]

[vs-mobiletools-engineering-service2]

🚀 [CI Build #9ff2da9] Test results 🚀

Test results

✅ All tests passed on VSTS: test results.

🎉 All 156 tests passed 🎉

Tests counts

✅ cecil: All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (iOS): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (MacCatalyst): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (macOS): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (Multiple platforms): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (tvOS): All 1 tests passed. Html Report (VSDrops) Download
✅ framework: All 2 tests passed. Html Report (VSDrops) Download
✅ fsharp: All 4 tests passed. Html Report (VSDrops) Download
✅ generator: All 5 tests passed. Html Report (VSDrops) Download
✅ interdependent-binding-projects: All 4 tests passed. Html Report (VSDrops) Download
✅ introspection: All 6 tests passed. [attempt 2] Html Report (VSDrops) Download
✅ linker: All 44 tests passed. Html Report (VSDrops) Download
✅ monotouch (iOS): All 11 tests passed. Html Report (VSDrops) Download
✅ monotouch (MacCatalyst): All 15 tests passed. [attempt 3] Html Report (VSDrops) Download
✅ monotouch (macOS): All 12 tests passed. Html Report (VSDrops) Download
✅ monotouch (tvOS): All 11 tests passed. [attempt 3] Html Report (VSDrops) Download
✅ msbuild: All 2 tests passed. Html Report (VSDrops) Download
✅ sharpie: All 1 tests passed. Html Report (VSDrops) Download
✅ windows: All 3 tests passed. Html Report (VSDrops) Download
✅ xcframework: All 4 tests passed. [attempt 5] Html Report (VSDrops) Download
✅ xtro: All 1 tests passed. [attempt 2] Html Report (VSDrops) Download

macOS tests

✅ Tests on macOS Monterey (12): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Ventura (13): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Sonoma (14): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Sequoia (15): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Tahoe (26): All 5 tests passed. Html Report (VSDrops) Download

Linux Build Verification

✅ Linux build succeeded

Pipeline on Agent
Hash: 9ff2da9acb7d2f9cb2b4ca7dfdf9b7f0845cb229 [PR build]